iOS 设置导航栏透明

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//设置导航栏透明     [self.navigationController.navigationBar setTranslucent:true];     //把背景设为空     [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];     //处理导航栏有条线的问题     [self.navigationController.navigationBar setShadowImage:[UIImage new]]; //1。 [[UINavigationBar appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];//设置NavigationBar上的title的颜色 //2. [self.navigationController.navigationBar setTintColor:[UIColor whiteColor]];<br><br><br>

//视图将要出现，隐藏导航栏

 

-(void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear:animated];

    [self.navigationController setNavigationBarHidden:YES];

}